US20050050969A1 - Sensing assembly removably securable to a bearing mechanism - Google Patents
Sensing assembly removably securable to a bearing mechanism Download PDFInfo
- Publication number
- US20050050969A1 US20050050969A1 US10/967,794 US96779404A US2005050969A1 US 20050050969 A1 US20050050969 A1 US 20050050969A1 US 96779404 A US96779404 A US 96779404A US 2005050969 A1 US2005050969 A1 US 2005050969A1
- Authority
- US
- United States
- Prior art keywords
- sensor
- bearing mechanism
- housing
- case
- sensor case
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/443—Devices characterised by the use of electric or magnetic means for measuring angular speed mounted in bearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
Definitions
- the invention relates to sensing assemblies for bearing mechanisms. More particularly, the invention relates to sensing assemblies capable of being removed from the bearing mechanism without removing or replacing the bearing mechanism prior to the end of the life of the bearing mechanism.
- Sensing assemblies are used with bearing mechanisms to measure various parameters, such as rotational speed, vibrations, temperature, and the like.
- Bearing mechanisms are used in hostile environments to facilitate the rotation of one part with respect to another.
- the parts include a rotating shaft or wheel.
- a sensing assembly senses varying parameters of a bearing mechanism.
- the bearing mechanism includes a circular bearing housing.
- the sensing assembly includes a sensor case.
- the sensor case is fixedly secured to the bearing mechanism.
- the sensor case includes a peripheral surface and a top plate with extensions protruding outwardly therefrom.
- the sensing assembly also includes a sensor housing that is removably insertable into the sensor case. The sensor housing selectively engages the extensions of the sensor case to secure the sensor housing in the sensor case at a location spaced from the bearing mechanism.
- the sensing assembly includes a sensor that is disposed within the sensor housing. The sensor senses the parameters of the bearing mechanism, wherein the sensor and the sensor housing may be removed from the bearing mechanism and replaced without replacing the bearing mechanism.
- FIG. 1 is a perspective view of one embodiment of the invention secured to a bearing mechanism
- FIG. 2 is cross-sectional side view of the sensor housing attached to a sensor case using one embodiment of the invention
- FIG. 3 is a perspective view of a second embodiment of the sensor case.
- FIG. 4 is a perspective view of a second embodiment of the sensor housing.
- the invention is a sensing assembly 10 that is fixedly secured to a bearing mechanism 12 .
- the bearing mechanism generally shown at 12 (the “bearing 12 ”) is shown having a circular bearing housing 14 extending between an upper end 16 and a lower end 18 .
- the bearing housing 14 houses a mechanism that aids in one part rotating with respect to another (none shown). When the rotating part rotates, the bearing 12 has parts that move therewith. Should these parts bind, the rotation of the rotating part is significantly reduced and may fail. Rotational speed and temperature of the bearing 12 are two parameters that can be measured to identify the condition of the bearing 12 .
- the sensing assembly 10 senses the parameters of the bearing 12 to ensure the bearing 12 is operating as designed.
- the sensing assembly 10 includes a sensor case 20 that is fixedly secured to the bearing 12 .
- the sensor case 20 is fixedly secured to the upper end 16 of the bearing 12 .
- the sensor case 20 includes a peripheral surface 22 .
- the peripheral surface 22 is circular in shape and extends along a periphery substantially similar to the circular bearing housing 14 . As is shown in FIG. 1 , the peripheral surface 22 may have a periphery slightly different than the circular bearing housing 14 .
- the sensor case 20 also includes a top plate 24 .
- the top plate 24 extends around the peripheral surface 22 . More specifically, the outer diameter of the top plate 24 defines an edge 26 that is also the upper edge of the peripheral surface 22 .
- the top plate 24 has an inner edge 28 that defines an inner diameter that is greater than the rotating part that would extend through the hole created by the top plate 24 once assembled.
- the sensor case 20 also includes extensions 30 protruding outwardly from the top plate 24 .
- the extensions 30 resemble bosses and include a channel 32 that extend the entire length of each of the extensions 30 .
- four extensions 30 extend through the top of the top plate 24 .
- the sensing assembly 10 includes a sensor housing 34 .
- the sensor housing 34 is removably inserted into the sensor case 20 where it is positioned appropriately for the sensor 36 housed therein.
- the sensor 36 is shown in phantom in FIG. 2 .
- the sensor 36 senses the desired parameter of the bearing 12 to ensure its operating properly.
- the sensor housing 34 selectively engages the extensions 30 to maintain its proper position with respect to the bearing 12 .
- the sensor housing 34 interacts with the extensions 30 using heat stakes 38 .
- the heat stakes 38 are shown in FIGS. 1 and 2 before they are melted by thermal energy.
- the heat stakes 38 are inserted into the channels 32 of the extensions 30 and pushed therethrough until they abut the sensor housing 34 . Once inserted, the heat stakes 38 are heated until they melt. Phantom lines 40 in FIG. 2 represent the heat stakes 38 after they are melted. After melted, the heat stakes 38 seep between the top plate 24 and the sensor housing 34 . Upon the curing of the melted material, the sensor housing 34 is secured in place.
- the melted material 40 is drilled through and broken up allowing the sensor housing 34 to be removed through a housing window 40 .
- the top plate 24 includes an outward surface 44 and an inward surface 46 .
- the outward surface 44 is directed upwardly and the inward surface 46 is directed downwardly.
- the sensor housing 34 includes an upper housing surface 48 that abuts a portion of the inward surface 46 of top plate 24 of the sensor case 20 . It is between the upper housing surface 48 and the inward surface 46 that the melted heat stakes 38 extend before it cures and hardens securing the sensing housing 34 to the sensing case 20 .
- FIGS. 3 and 4 a second embodiment is shown wherein primed reference characters represent elements similar to those in the first embodiment.
- the sensing assembly 10 ′ does not include the use of the heat stakes 38 . Instead, the sensor housing 34 ′ is held in place with receptors 50 .
- the receptors are latches 50 that engage the extensions 30 ′, which are notches 30 ′ extending outwardly from the outward surface 44 ′ of the top plate 24 ′.
- the notches 30 ′ include a ramp surface 52 .
- the ramp surface 52 is engaged by the latches 50 and allows the latches 50 to ride therealong until a step 54 locks the latches 50 in place.
- each of the latches 50 includes at least one opening 55 that receives the notches 30 ′ therein.
- the engagement between each of the latches 50 and the steps 54 commonly referred to as a snap fit, prevent the sensor housing 34 ′ from moving away from the sensor case 20 ′.
- the locking engagement is released when all of the notches 30 ′ are pressed downwardly forcing the latches 50 out of the steps 54 . This allows the sensor and sensor housing 34 ′ to be replaced without replacing the bearing 12 ′.
- the second embodiment of the sensing assembly 10 ′ also includes guide plates 56 that extend inwardly from the peripheral surface 22 ′.
- the guide plates 56 guide the sensor housing 34 ′ as the sensor housing 34 ′ is moved into and out of position.
- the guide plates 56 also include notches 30 ′.
- the sensor housing 34 ′ includes latches 50 along the sides that engage the ramp surfaces 52 of the notches 30 ′ to help lock the sensor housing 34 ′ in place.
- the steps 54 on the guide plates 56 are oriented in an opposite direction than the steps 54 on the top plate 24 ′ to ensure the sensor housing 34 ′ is held in place.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Abstract
A sensing assembly senses varying parameters of a bearing mechanism. The bearing mechanism includes a circular bearing housing. The sensing assembly includes a sensor case. The sensor case is fixedly secured to the bearing mechanism. The sensor case includes a peripheral surface and a top plate with extensions protruding outwardly therefrom. The sensing assembly also includes a sensor housing that is removably insertable into the sensor case. The sensor housing selectively engages the extensions of the sensor case to secure the sensor housing in the sensor case at a location spaced from the bearing mechanism. The sensing assembly includes a sensor that is disposed within the sensor housing. The sensor senses the parameters of the bearing mechanism, wherein the sensor and the sensor housing may be removed from the bearing mechanism and replaced without replacing the bearing mechanism. The extensions may be bosses that have channels allowing heat stakes to extend therethrough or, in an alternative arrangement, the extensions may be notches that receive latches therein to removably lock the sensor in place.
Description
- 1. Field of the Invention
- The invention relates to sensing assemblies for bearing mechanisms. More particularly, the invention relates to sensing assemblies capable of being removed from the bearing mechanism without removing or replacing the bearing mechanism prior to the end of the life of the bearing mechanism.
- 2. Description of the Related Art
- Sensing assemblies are used with bearing mechanisms to measure various parameters, such as rotational speed, vibrations, temperature, and the like. Bearing mechanisms are used in hostile environments to facilitate the rotation of one part with respect to another. Typically, the parts include a rotating shaft or wheel.
- When one part is rotating with respect to another, it is oftentimes desired to know parameters of the bearing mechanism. This will provide information about the condition of the rotating assembly and the necessity of repair. If a part is rotating at a slower rate, it could be determined that the bearing is failing and is in need of repair or replacement.
- Because the bearing mechanisms are in a harsh environment, sensors operating in conjunction with the bearing mechanisms tend to fail quickly. Currently, the design of many bearing mechanisms and sensors requires the bearing and the sensor assembly to be replaced. This is required because the sensor is integrally manufactured with the bearing mechanism. Such wholesale replacement of the bearing mechanism when the sensor fails creates a very high cost for sensor failure.
- There are serviceable sensors that may be replaced without the replacement of the bearing mechanism. These systems require a bore hole to be drilled into a bearing surface. A probe is inserted into the drilled hole. This design is not appropriate for many situations, especially when the bearing steel has an elevated hardness. Bolting sensors to bearing mechanisms is also less desirable due to the tendency for the bolts to oxidize prior to the end of the life of the sensor assembly.
- A sensing assembly senses varying parameters of a bearing mechanism. The bearing mechanism includes a circular bearing housing. The sensing assembly includes a sensor case. The sensor case is fixedly secured to the bearing mechanism. The sensor case includes a peripheral surface and a top plate with extensions protruding outwardly therefrom. The sensing assembly also includes a sensor housing that is removably insertable into the sensor case. The sensor housing selectively engages the extensions of the sensor case to secure the sensor housing in the sensor case at a location spaced from the bearing mechanism. The sensing assembly includes a sensor that is disposed within the sensor housing. The sensor senses the parameters of the bearing mechanism, wherein the sensor and the sensor housing may be removed from the bearing mechanism and replaced without replacing the bearing mechanism.
- Advantages of the invention will be readily appreciated as the same becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings, wherein:
-
FIG. 1 is a perspective view of one embodiment of the invention secured to a bearing mechanism; -
FIG. 2 is cross-sectional side view of the sensor housing attached to a sensor case using one embodiment of the invention; -
FIG. 3 is a perspective view of a second embodiment of the sensor case; and -
FIG. 4 is a perspective view of a second embodiment of the sensor housing. - Referring to
FIG. 1 , one embodiment of the invention is generally indicated at 10. The invention is asensing assembly 10 that is fixedly secured to abearing mechanism 12. The bearing mechanism, generally shown at 12 (the “bearing 12”) is shown having a circular bearinghousing 14 extending between anupper end 16 and alower end 18. Thebearing housing 14 houses a mechanism that aids in one part rotating with respect to another (none shown). When the rotating part rotates, thebearing 12 has parts that move therewith. Should these parts bind, the rotation of the rotating part is significantly reduced and may fail. Rotational speed and temperature of thebearing 12 are two parameters that can be measured to identify the condition of thebearing 12. - The
sensing assembly 10 senses the parameters of thebearing 12 to ensure thebearing 12 is operating as designed. Thesensing assembly 10 includes asensor case 20 that is fixedly secured to thebearing 12. Thesensor case 20 is fixedly secured to theupper end 16 of thebearing 12. Thesensor case 20 includes aperipheral surface 22. Theperipheral surface 22 is circular in shape and extends along a periphery substantially similar to the circular bearinghousing 14. As is shown inFIG. 1 , theperipheral surface 22 may have a periphery slightly different than the circular bearinghousing 14. - The
sensor case 20 also includes atop plate 24. Thetop plate 24 extends around theperipheral surface 22. More specifically, the outer diameter of thetop plate 24 defines anedge 26 that is also the upper edge of theperipheral surface 22. Thetop plate 24 has aninner edge 28 that defines an inner diameter that is greater than the rotating part that would extend through the hole created by thetop plate 24 once assembled. - The
sensor case 20 also includesextensions 30 protruding outwardly from thetop plate 24. Theextensions 30 resemble bosses and include achannel 32 that extend the entire length of each of theextensions 30. In the embodiment shown inFIG. 1 , fourextensions 30 extend through the top of thetop plate 24. - The
sensing assembly 10 includes asensor housing 34. Thesensor housing 34 is removably inserted into thesensor case 20 where it is positioned appropriately for thesensor 36 housed therein. Thesensor 36 is shown in phantom inFIG. 2 . Thesensor 36 senses the desired parameter of thebearing 12 to ensure its operating properly. - The sensor housing 34 selectively engages the
extensions 30 to maintain its proper position with respect to thebearing 12. Thesensor housing 34 interacts with theextensions 30 usingheat stakes 38. The heat stakes 38 are shown inFIGS. 1 and 2 before they are melted by thermal energy. The heat stakes 38 are inserted into thechannels 32 of theextensions 30 and pushed therethrough until they abut thesensor housing 34. Once inserted, the heat stakes 38 are heated until they melt.Phantom lines 40 inFIG. 2 represent the heat stakes 38 after they are melted. After melted, the heat stakes 38 seep between thetop plate 24 and thesensor housing 34. Upon the curing of the melted material, thesensor housing 34 is secured in place. - To remove the
sensor housing 34 so that thesensor 36 may be replaced, the meltedmaterial 40 is drilled through and broken up allowing thesensor housing 34 to be removed through ahousing window 40. - Returning attention to
FIG. 2 and thetop plate 24, thetop plate 24 includes anoutward surface 44 and aninward surface 46. In the orientation ofFIG. 2 , theoutward surface 44 is directed upwardly and theinward surface 46 is directed downwardly. Thesensor housing 34 includes anupper housing surface 48 that abuts a portion of theinward surface 46 oftop plate 24 of thesensor case 20. It is between theupper housing surface 48 and theinward surface 46 that the meltedheat stakes 38 extend before it cures and hardens securing the sensinghousing 34 to thesensing case 20. - Referring to
FIGS. 3 and 4 , a second embodiment is shown wherein primed reference characters represent elements similar to those in the first embodiment. Thesensing assembly 10′ does not include the use of the heat stakes 38. Instead, thesensor housing 34′ is held in place withreceptors 50. In the embodiment shown, the receptors arelatches 50 that engage theextensions 30′, which arenotches 30′ extending outwardly from theoutward surface 44′ of thetop plate 24′. - The
notches 30′ include aramp surface 52. Theramp surface 52 is engaged by thelatches 50 and allows thelatches 50 to ride therealong until astep 54 locks thelatches 50 in place. More specifically, each of thelatches 50 includes at least oneopening 55 that receives thenotches 30′ therein. The engagement between each of thelatches 50 and thesteps 54, commonly referred to as a snap fit, prevent thesensor housing 34′ from moving away from thesensor case 20′. The locking engagement is released when all of thenotches 30′ are pressed downwardly forcing thelatches 50 out of thesteps 54. This allows the sensor andsensor housing 34′ to be replaced without replacing the bearing 12′. - The second embodiment of the
sensing assembly 10′ also includesguide plates 56 that extend inwardly from theperipheral surface 22′. Theguide plates 56 guide thesensor housing 34′ as thesensor housing 34′ is moved into and out of position. Theguide plates 56 also includenotches 30′. Thesensor housing 34′ includeslatches 50 along the sides that engage the ramp surfaces 52 of thenotches 30′ to help lock thesensor housing 34′ in place. Thesteps 54 on theguide plates 56 are oriented in an opposite direction than thesteps 54 on thetop plate 24′ to ensure thesensor housing 34′ is held in place. - The invention has been described in an illustrative manner. It is to be understood that the terminology, which has been used, is intended to be in the nature of words of description rather than of limitation.
- Many modifications and variations of the invention are possible in light of the above teachings. Therefore, within the scope of the appended claims, the invention may be practiced other than as specifically described.
Claims (2)
1. A sensing assembly for sensing parameters of a bearing mechanism including a circular bearing housing, said sensing assembly comprising:
a sensor case fixedly secured to the bearing mechanism, said sensor case including a peripheral surface and a top plate with extensions protruding outwardly therefrom, said top plate defining an outward surface and an inward surface;
a sensor housing having an upper housing surface abuttable with a portion of said inward surface of said sensor case removably insertable into said sensor case, said sensor housing selectively engaging said extensions of said sensor case to secure said sensor housing in said sensor case at a location spaced from the bearing mechanism;
a sensor disposed within said sensor housing to sense the parameters of the bearing mechanism;
a housing window in the peripheral surface of said sensor case to allow said sensor and said sensor housing to be removed from the bearing mechanism and replaced without replacing the bearing mechanism; and
guide plates extending inwardly from said peripheral surface to guide said sensor housing as said sensor housing moves into and out of said sensor case.
2. A sensing assembly for sensing parameters of a bearing mechanism including a circular bearing housing, said sensing assembly comprising:
a sensor case fixedly secured to the bearing mechanism, said sensor case including a peripheral surface and a top plate with notches protruding outwardly therefrom, and guide plates with notches extending inwardly from said peripheral surface;
a sensor housing removably insertable into said sensor case, said sensor housing including receptors for selectively engaging said notches of said sensor case to secure said sensor housing in said sensor case at a location spaced from the bearing mechanism, said receptors including a plurality of latches engagable with said notches of said sensor case to lock said sensor housing to said sensor case; and
a sensor disposed within said sensor housing to sense the parameters of the bearing mechanism wherein said sensor and said sensor housing may be removed from the bearing mechanism and replaced without replacing the bearing mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/967,794 US20050050969A1 (en) | 2003-03-24 | 2004-10-18 | Sensing assembly removably securable to a bearing mechanism |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/396,876 US6805016B1 (en) | 2003-03-24 | 2003-03-24 | Sensing assembly removably securable to a bearing mechanism |
US10/967,794 US20050050969A1 (en) | 2003-03-24 | 2004-10-18 | Sensing assembly removably securable to a bearing mechanism |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/396,876 Continuation US6805016B1 (en) | 2003-03-24 | 2003-03-24 | Sensing assembly removably securable to a bearing mechanism |
Publications (1)
Publication Number | Publication Date |
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US20050050969A1 true US20050050969A1 (en) | 2005-03-10 |
Family
ID=32988876
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/396,876 Expired - Fee Related US6805016B1 (en) | 2003-03-24 | 2003-03-24 | Sensing assembly removably securable to a bearing mechanism |
US10/967,794 Abandoned US20050050969A1 (en) | 2003-03-24 | 2004-10-18 | Sensing assembly removably securable to a bearing mechanism |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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US10/396,876 Expired - Fee Related US6805016B1 (en) | 2003-03-24 | 2003-03-24 | Sensing assembly removably securable to a bearing mechanism |
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US (2) | US6805016B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7182519B2 (en) * | 2004-06-24 | 2007-02-27 | General Electric Company | Methods and apparatus for assembling a bearing assembly |
CN112983570B (en) * | 2021-03-22 | 2022-04-12 | 浙江大学 | Correlation-based steam turbine bearing temperature high jump machine symptom capturing method and device |
Citations (18)
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---|---|---|---|---|
US1206202A (en) * | 1915-03-06 | 1916-11-28 | Fred E Bright | Gage. |
US3005265A (en) * | 1959-04-03 | 1961-10-24 | Jr Wade H Martin | Bearing inspection tool |
US4248098A (en) * | 1977-05-30 | 1981-02-03 | Yokogawa Electric Works, Ltd. | Flow metering apparatus |
US4259637A (en) * | 1977-07-22 | 1981-03-31 | Ransome Hoffmann Pollard Limited | Mechanical assemblies employing sensing means for sensing motion or position |
US4940936A (en) * | 1989-02-24 | 1990-07-10 | The Torrington Company | Antifriction bearing with a clip-on sensor cooperating with a shaft mounted magnetic encoder retainer ring |
US5585577A (en) * | 1994-11-08 | 1996-12-17 | The Torrington Company | Bearing with a sensor arrangement for obtaining an indication of various parameters within the housing of the bearing |
US5805080A (en) * | 1995-08-22 | 1998-09-08 | The Torrington Company | Bearing with an electric-acoustic transducer for transmitting information regarding various parameters within the bearing |
US5828290A (en) * | 1997-08-22 | 1998-10-27 | Cts Corporation | Modular position sensor |
US20020030482A1 (en) * | 2000-07-26 | 2002-03-14 | Ntn Corporation | Bearing provided with rotation sensor and motor employing the same |
US6439067B1 (en) * | 1999-02-05 | 2002-08-27 | Curtis Instruments, Inc. | Shaft sensor assembly for angular velocity, torque, and power |
US6538429B2 (en) * | 2001-02-09 | 2003-03-25 | Delphi Technologies, Inc. | Angular position sensor assembly for a motor vehicle generator shaft |
US6546780B1 (en) * | 2001-12-10 | 2003-04-15 | Delphi Technologies, Inc. | Position sensor method and apparatus |
US6554318B2 (en) * | 2000-01-12 | 2003-04-29 | Delphi Technologies, Inc. | Seat belt tension sensor |
US6564631B1 (en) * | 2002-04-19 | 2003-05-20 | Delphi Technologies, Inc. | Digital signal fuel sensor |
US6588931B2 (en) * | 2000-12-07 | 2003-07-08 | Delphi Technologies, Inc. | Temperature sensor with flexible circuit substrate |
US6604429B1 (en) * | 2002-02-11 | 2003-08-12 | Delphi Technologies, Inc. | Insert-molded pressure sensor with high pressure stainless steel sensing element |
US6619129B2 (en) * | 2002-02-15 | 2003-09-16 | Delphi Technologies, Inc. | Three-piece pressure sensor with high pressure stainless steel sensing element |
US6639399B2 (en) * | 2001-02-06 | 2003-10-28 | Delphi Technologies, Inc. | Target wheel sensor assembly for determining position and direction of motion of a rotating target wheel |
-
2003
- 2003-03-24 US US10/396,876 patent/US6805016B1/en not_active Expired - Fee Related
-
2004
- 2004-10-18 US US10/967,794 patent/US20050050969A1/en not_active Abandoned
Patent Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1206202A (en) * | 1915-03-06 | 1916-11-28 | Fred E Bright | Gage. |
US3005265A (en) * | 1959-04-03 | 1961-10-24 | Jr Wade H Martin | Bearing inspection tool |
US4248098A (en) * | 1977-05-30 | 1981-02-03 | Yokogawa Electric Works, Ltd. | Flow metering apparatus |
US4259637A (en) * | 1977-07-22 | 1981-03-31 | Ransome Hoffmann Pollard Limited | Mechanical assemblies employing sensing means for sensing motion or position |
US4940936A (en) * | 1989-02-24 | 1990-07-10 | The Torrington Company | Antifriction bearing with a clip-on sensor cooperating with a shaft mounted magnetic encoder retainer ring |
US5585577A (en) * | 1994-11-08 | 1996-12-17 | The Torrington Company | Bearing with a sensor arrangement for obtaining an indication of various parameters within the housing of the bearing |
US5805080A (en) * | 1995-08-22 | 1998-09-08 | The Torrington Company | Bearing with an electric-acoustic transducer for transmitting information regarding various parameters within the bearing |
US5828290A (en) * | 1997-08-22 | 1998-10-27 | Cts Corporation | Modular position sensor |
US6439067B1 (en) * | 1999-02-05 | 2002-08-27 | Curtis Instruments, Inc. | Shaft sensor assembly for angular velocity, torque, and power |
US6554318B2 (en) * | 2000-01-12 | 2003-04-29 | Delphi Technologies, Inc. | Seat belt tension sensor |
US20020030482A1 (en) * | 2000-07-26 | 2002-03-14 | Ntn Corporation | Bearing provided with rotation sensor and motor employing the same |
US20040196027A1 (en) * | 2000-07-26 | 2004-10-07 | Ntn Corporation | Bearing provided with rotation sensor and motor employing the same |
US6588931B2 (en) * | 2000-12-07 | 2003-07-08 | Delphi Technologies, Inc. | Temperature sensor with flexible circuit substrate |
US6639399B2 (en) * | 2001-02-06 | 2003-10-28 | Delphi Technologies, Inc. | Target wheel sensor assembly for determining position and direction of motion of a rotating target wheel |
US6538429B2 (en) * | 2001-02-09 | 2003-03-25 | Delphi Technologies, Inc. | Angular position sensor assembly for a motor vehicle generator shaft |
US6546780B1 (en) * | 2001-12-10 | 2003-04-15 | Delphi Technologies, Inc. | Position sensor method and apparatus |
US6604429B1 (en) * | 2002-02-11 | 2003-08-12 | Delphi Technologies, Inc. | Insert-molded pressure sensor with high pressure stainless steel sensing element |
US6619129B2 (en) * | 2002-02-15 | 2003-09-16 | Delphi Technologies, Inc. | Three-piece pressure sensor with high pressure stainless steel sensing element |
US6564631B1 (en) * | 2002-04-19 | 2003-05-20 | Delphi Technologies, Inc. | Digital signal fuel sensor |
Also Published As
Publication number | Publication date |
---|---|
US6805016B1 (en) | 2004-10-19 |
US20040187612A1 (en) | 2004-09-30 |
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Legal Events
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |